* {
  padding: 0;
  margin: 0;
}
footer {
  width: 360px;
  height: 510px;
  background-color: aqua;
  text-align: center;
  margin: 200px auto;
}

.aa {
  height: 50px;
}
.aa p {
  width: 80px;
  margin-left: 10px;
  line-height: 50px;
  float: left;
  font-size: 20px;
}
.aa span {
  float: right;
  line-height: 50px;
  margin-right: 10px;
}
input{
  width: 270px;
  height: 40px;
  margin: 20px auto;
  text-align: center;
  font-size: 24px;
}
.qq{ 
  width: 20px;
  height:20px ;
  margin-right: 5px;
}